Home / 878,952.42-1,318,466.90-430,051.23

Finding the Fourth Proportional to 878,952.42, 1,318,466.90 and 430,051.23

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Solution

The fourth proportional to 878,952.42, 1,318,466.90 and 430,051.23 is: 645,095.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,952.42 : 1,318,466.90 = 430,051.23 : x
  2. Step 2: Convert to fraction form
    878,952.42/1,318,466.90 = 430,051.23/x
  3. Step 3: Cross multiply
    878,952.42x = 1,318,466.90 × 430,051.23
  4. Step 4: Simplify right side
    878,952.42x = 567,008,313,134.42
  5. Step 5: Solve for x
    x = 567,008,313,134.42/878,952.42
  6. Step 6: Final answer
    x = 645,095.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.